2001 Pontiac Grand Am SE "code p0440 changed gas cap" Questions

...p0440 code, i change the pc valve,i also change the gas cap,sparg plugs,and errase the code and the service engine soon came back,can you give a hand with this one,and the other thing i don't wan to ...

...code P0440 Evap Emission sys . i was told that was a vacuum leak somewhere?? so first i bought a new gas cap for that yr and model vehicle then i cleared the code and drove it and some miles later ...

code p0440 98 buick century will not pass imisions code p0440 P0440 is a EVAP leak detected, try changing the gas cap and reseting the ECM to clear the service engine light. If you can not clear the ...

Code P0440. Have tried changing the gas cap but still service engine light on 2003 GMC Envoy has a problem with the gas tank. The plastic tank cracks at the filler neck inlet, causing some gas leakage

...code: P0440. You have to have one of the parts stores clear it. Did you check you gas cap. P0440 Is an emissions codes usually caused from a loose gas cap it's the 02 sensor or plug #4 out. ask them ...

...code table. for p0440, you can try this: Remove and reinstall the gas cap, clear the code, and drive for a day and see if the codes come back. Inspect the EVAP system for cuts/holes in tubes/hoses ...

...P0440 OBD II Code. Just replaced the plugs with Iridiums @ 100K, all connections are good and gas cap is seated properly . . . help!!! i have 2003 trailblazer ltz 153 000 mileage i have code po440 .i ...

...code P0440 Evap system malfunction and sometimes it comes along with a P0441 Code also. Engine is the 4.7 liter V8. So far the purge control valve, gas cap, vacuum leak detection pump have been ...

...code P0440 after you change gas cap if the gas cap was the problem it will clear it self in a week or two .Or you could take to the auto parts store and they will do it for free .You need need a ...

...P0440 PONTIAC code possible causes Missing or loose fuel cap Incorrect fuel filler cap used Fuel filler cap remains open or fails to close Foreign matter caught in fuel filler cap EVAP canister or ...